Ctrl + E
Ctrl+E Cycle isometric planes
Ctrl+F Toggle running object snaps
Ctrl+G Toggle Grid
Ctrl+H Toggle Pick Style
Ctrl + 2
Ctrl+0 (zero) Clean Screen
Ctrl+1 Property Palette
Ctrl+2 Design Centre Palette
Ctrl+3 Tool Palette
Ctrl+4 Sheet Set Palette
Ctrl+6 DBConnect Manager
Ctrl+7 Markup Set Manager Palette
Ctrl+8 Quick Calc
Ctrl+9 Command Line
Ctrl + [
Ctrl+[ Cancel current command (or ctrl+)
RP
RW RENDERWIN / Displays the Render window without starting a rendering operation
RP RENDERPRESETS / Specifies render presets, reusable rendering parameters, for rendering an image.
RC
RC RENDERCROP / Renders a specified rectangular area, called a crop window, within a viewport.
RP RENDERPRESETS / Specifies render presets, reusable rendering parameters, for rendering an image.